Is scalp itching and dandruff contagious? Why?

Introduction: Many girls in the daily care, may pay more attention to the maintenance of the face, thus ignoring the health of the head, some people often have dandruff on the head, just washed the head, the next day will be particularly itchy, scalp itching and dandruff will be more contagious? Why? <>

1. Causes of scalp itching and dandruff.

Dandruff is the product of the metabolism of the cells on the surface of the human head, the physiological process of the head epidermis is called keratinization, the root cause of the scalp is mainly the destruction of the scalp ecological balance, in fact, the healthy scalp ecological environment is maintained by the three balances, the metabolism of the oil flora is balanced, when the scalp oil secretion is unbalanced, the scalp will be oily, become greasy, when the scalp flora environment is unbalanced, a large number of harmful bacteria will breed the phenomenon of itching, and the scalp stratum corneum metabolism is too fast, falling off to form dandruff. There are generally two causes of scalp itching and dandruff, the first is aborrheic dermatitis or excessive seborrhea, which many people have, and the second is that psoriasis on the head generally has plaques, erythema and thick scales will form a large cap and hair bundles. <>

2. Is dandruff contagious with itchy scalp?

Scalp itching, dandruff if severe, may be contagious, and dandruff will be contagious, need to be decided according to the disease of the scalp, if it is tinea capitis dandruff, because it is caused by fungi, so it will be contagious, because dandruff is caused by fungal infection, so on the one hand, it is necessary to improve the awareness of scalp care, on the other hand, it is necessary to adjust the rules of life, avoid eating fried, greasy, spicy and other foods, which can play a role in regulating and protecting the scalp, and inhibiting the excessive reproduction of Malassezia in its own balance, In order to reduce the probability of dandruff, third, we should pay attention to daily scalp care, in addition, fungi are contagious, so do a good job of living hygiene between individuals and family members, separate use of towels, pillow towels, combs and other daily necessities, can reduce the spread of Malassezia between people to a certain extent, and play a role in preventing dandruff. <>

3. Summary. For people with frequent itchy hair and dandruff, you can buy some oil-controlling and fluffy shampoo, where the shampoo can well inhibit the production of dandruff, reduce head itching, and can also make the hair fluffy all day long, maintain the health of the head, in addition, we must also do a good job of scalp care, can not use too hot water to wash the hair, before washing the hair, be sure to comb the hair to avoid knots, and when washing the hair, be sure to use conditioner or hair oil, can effectively comb the hair.

It is not contagious, because the itchy scalp and dandruff are related to the oil secretion in your scalp, and it will not be transmitted to others.

Yes. Because the scalp is itchy and dandruff is more, it is likely to be caused by ** disease, so it is possible to be contagious.

Every winter, the snow flutters all over the sky and Lao Sun Qing, which is as fascinating as Tong Kailu's words. But when you shake your hair or scratch your hairline, it can be a headache to shake or scratch your hairline.

After long-term observation, I found that dandruff is also contagious, as long as you share a pillow with someone with dandruff, or share a shampoo towel, there is a 90% chance of being lucky to be infected. I don't know what the principle is, but this phenomenon does exist.